My guess would be that the "I hate Microsoft" crowd would have no conscience illegally gaming that system. Microsoft did right in my opinion for not touching that one.
The closest thing I have found is: https://sts.advertising.microsoft.com/?wa=wsignin1.0&wtrealm=https%3a%2f%2fpubcenter.microsoft.com%2fLogin%2fWifLogin, but that is only for Windows 8 and Window Phone.
Did you ever wonder: does anybody else get these emails?
Got a question StackOverflow won't answer?